American Airlines offers a Gold Challenge.

America West is offering a fast track to silver.

The question of which airline is best really depends on where you fly, what elite benefits matter most to you, and what you want to do with your miles.

If you're a resident of Australia, you could do the American Airlines promo and credit Qantas miles to the program I believe.

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View from the Wing: A blog about Free Miles and Free Markets

[This message has been edited by gleff (edited 07-14-2003).]